On Nov 21 11:16, Tony Cook wrote: > On Thu, Nov 18, 2021 at 09:08:40PM +0000, Sam Edge via Cygwin wrote: > > I use newlib on embedded with threading libs that have predetermined > > fixed thread stack sizes. While we tend to have more RAM than in former > > times we also have multiple thread stacks. Use of alloca() or variable > > length automatic arrays makes me wince especially in code I might not be > > able to avoid calling which is often the case with XXXprintf() in > > third-party libraries' debug output. I'd usually rather take the > > performance hit from using heap instead of having to make all my stacks > > bigger. > > A simple option would be to use an small auto fixed buffer for most > conversions, but use malloc() for %f formats for numbers greater in > magnitude than some limit, though it would also need to be adjusted > for the precision (ndigits here), since they take extra space. > > This would avoid using the optional-to-implement VLA feature too.
Good idea. I guess I create a simple fix doing just that. Thanks, Corinna -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
